杭州市近50年气候舒适度变化  

The change of climate comfortable index in Hangzhou Cityduringthe past 50 years

作　　者：王秀兰 卫旭东[2] 吴亚琪[3] 王秀芬[4] 

机构地区：[1]山西工程技术学院,山西阳泉045000 [2]宝鸡文理学院陕西省灾害监测与机理模拟重点实验室,陕西宝鸡721013 [3]浙江农林大学环境与资源学院,浙江临安311300 [4]中国农业科学院农业资源与农业区划研究所,北京100081

出　　处：《宝鸡文理学院学报（自然科学版）》2014年第3期31-35,共5页Journal of Baoji University of Arts and Sciences(Natural Science Edition)

基　　金：国家自然科学基金(71303240)

摘　　要：目的分析杭州市气候舒适度的多年变化特征。方法运用气候舒适度分析方法,选用国家气象局规定的统一标准,计算分析了杭州市气候舒适度指数的变化情况。结果杭州市50年来平均温度呈上升趋势,平均相对湿度呈下降趋势,平均风速变化不明显。气候舒适度总体呈上升趋势;从不同等级气候舒适度天数变化来看,总体上表现为人体感觉冷不舒服的天数为减少的趋势;而人体感觉热不舒服的天数变化不明显;人体感觉舒服的天数也表现为增加趋势。结论气候变化对杭州的气候舒适度发展总体有利。Objective--To analyze the change trend of CCI in Hangzhou City. Methods--The cli-mate comfortable index （CCI） and the uniform grading standards of China Meteorological Administra-tion are both adopted to calculate the change trend of CCI in Hangzhou City. Results--Over 50 years,the average temperature showed increasing trend in different stage, while the average relative humidi-ty decreased The average wind speed did not change significantly the CCI was on the increase toothe number of cold days was reducing, whereas the number of comfortable days were increasing, but the number of hot days did not change obviously. Conclusion--The change of CCI in Hangzhou city isadvantageous as a whole.

关 键 词：杭州市 气候舒适度 变化特征 

分 类 号：P467[天文地球—大气科学及气象学]